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DyadWaves is an easy-to-use GUI for 1D and 2D wavelet transform. It is pretty basic, with functionality consisting of wavelet transform computation, signal/image approximation, and denoising using up to three transform modes. It contains two executables: dyadwaves and dyadwaves2d for 1D and 2D signal analysis respectively.

wavelet2d is a set of C++ libraries for 1D/2D (decimated and stationary) discrete wavelet transforms. This implementation is geared towards students and others who want to implement simple DWT routines as part of their bigger projects. In order to speed up the implementation, these libraries are implemented using FFT routines from the FFTW3 library. Example code and documentation are available. The libraries are made available in the form of Win32 MSVC++ DLLs, Win32 MinGW DLLs and static libraries, and Linux shared and static libraries.